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Pokémon Colosseum cover art

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Pokémon Colosseum

Genius Sonority · 2003 · GameCube

Source on GitHubHow to play

Doesn't play in a browser tab yet: it plays on your own device. Opens github.com in a new tab. Follow it to see on your home page when it comes out, or plays here.

On your device

Build from source

The project publishes its code and no build: you build it as its README says.

  • pkmn-colosseum

    By dougchansan30 stars on its repository

    Source

    Decompilation

    Code last updated Oct 21, 2026License: MIT

    43.6% of the code matched, as decomp.dev measured it on Oct 12, 2026

    How to play
    1. There is no build to download: get the code from the project's repository.
    2. Build it as its README says. What the build gives, a program to run or the original game rebuilt for an emulator, is written there too.
    3. The project's page says what it needs from your own copy of Pokémon Colosseum, if anything.

  • colosseum-mb

    By pret34 stars on its repository

    Source

    Decompilation

    Code last updated Mar 29, 2024

    How to play
    1. There is no build to download: get the code from the project's repository.
    2. Build it as its README says. What the build gives, a program to run or the original game rebuilt for an emulator, is written there too.
    3. The project's page says what it needs from your own copy of Pokémon Colosseum, if anything.

From SubmitGame's list, read Oct 21, 2026 and decomp.dev, read Oct 14, 2026, with releases, stars and licenses as each project's repository gives them. The steps are the same for every project of a kind: its own page has the details.

Under the hood: every project behind it, its license and code, how they connect, and who made them.

About

Pokemon fans can now battle their favorite Pokemon on the grand stage. Starring a brand new leading character, Pokemon, Colosseum offers a story mode that pits you against tough trainers who routinely catch damaged Pokemon. In Battle mode, you can use the Game Boy Advance cable to send your team from your Pokemon Ruby or Pokemon Sapphire Game Pak to your Gamecube, then witness the true potential of your team. Rescue Pokemon and watch them come to life in spectacular Colosseum battles.

Description from IGDB.

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